From ab3e000fdefa15404bf0a25dee375e684b02eb00 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Sat, 25 May 2024 23:25:11 -0400 Subject: kernel: vm_map: Fix deadlock Signed-off-by: Ian Moffett --- sys/vm/vm_map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index 2501e08..11222e0 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -287,7 +287,6 @@ munmap(void *addr, size_t len) size_t map_len, granule; vaddr_t map_start, map_end; - spinlock_acquire(&td->mapspace_lock); ms = &td->mapspace; granule = vm_get_page_size(); @@ -296,6 +295,7 @@ munmap(void *addr, size_t len) return -1; } + spinlock_acquire(&td->mapspace_lock); map_start = mapping->range.start; map_end = mapping->range.end; map_len = map_end - map_start; -- cgit v1.2.3